64248674726 has 4 divisors (see below), whose sum is σ = 96373012092. Its totient is φ = 32124337362.

The previous prime is 64248674657. The next prime is 64248674729. The reversal of 64248674726 is 62747684246.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64248674729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16062168680 + ... + 16062168683.

It is an arithmetic number, because the mean of its divisors is an integer number (24093253023).

Almost surely, 2^64248674726 is an apocalyptic number.

64248674726 is a deficient number, since it is larger than the sum of its proper divisors (32124337366).

64248674726 is a wasteful number, since it uses less digits than its factorization.

64248674726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32124337365.

The product of its digits is 21676032, while the sum is 56.

The spelling of 64248674726 in words is "sixty-four billion, two hundred forty-eight million, six hundred seventy-four thousand, seven hundred twenty-six".